/*
 * Axelor Business Solutions
 *
 * Copyright (C) 2005-2021 Axelor (<http://axelor.com>).
 *
 * This program is free software: you can redistribute it and/or  modify
 * it under the terms of the GNU Affero General Public License, version 3,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.axelor.text;

import java.io.IOException;
import java.io.StringWriter;
import java.io.Writer;

/**
 * The {@link Template} renderer provides ways to render an encapsulated {@link Template} instance.
 */
public abstract class Renderer {

  /**
   * Render the template.
   *
   * @return the template output
   */
  public String render() {
    StringWriter out = new StringWriter();
    try {
      render(out);
    } catch (IOException e) {
    }
    return out.toString();
  }

  /**
   * Render the template.
   *
   * @param out the writer instance to write the output
   * @throws IOException if writer throws any {@link IOException}
   */
  public abstract void render(Writer out) throws IOException;
}
